Discipline of Clinical Psychology, Graduate School of Health, University of Technology Sydney, Building 7, 67 Thomas Street, Ultimo, NSW, 2007, Australia.
School of Psychiatry, University of New South Wales, Sydney, Australia.
Psychiatr Q. 2018 Sep;89(3):621-629. doi: 10.1007/s11126-018-9564-9.
The construct of dysphoria has been described inconsistently across a broad range of psychopathology. The term has been used to refer to an irritable state of discontent, but is also thought to incorporate anger, resentment and nonspecific symptoms associated with anxiety and depression, such as tension and unhappiness. The Nepean Dysphoria Scale has been developed to allow assessment of dysphoria, but its factor structure has not yet been investigated in clinical samples. We aimed to determine the latent structure of dysphoria as reflected by the Nepean Dysphoria Scale, using a clinical sample. Adults (N = 206) seeking treatment at a range of mental health services were administered the Nepean Dysphoria Scale. Four putative factor structures were investigated using confirmatory factor analysis: a single-factor model, a hierarchical model, a bifactor model and a four-factor model as identified in previous studies. No model fit the data except for a four-factor model when a revised 22-item version of the original 24-item scale was investigated. A four-factor structure similar to that identified in non-clinical samples was supported, albeit following the removal of two items. The Nepean Dysphoria Scale appears to have utility for the assessment of dysphoria in routine clinical settings.
在广泛的精神病理学中，心境恶劣的结构描述一直不一致。该术语曾被用来指代一种烦躁不满的状态，但也被认为包含愤怒、怨恨和与焦虑和抑郁相关的非特异性症状，如紧张和不快乐。为了能够评估心境恶劣，已经开发了 Nepean 心境恶劣量表，但它的因子结构尚未在临床样本中进行研究。我们旨在使用临床样本确定 Nepean 心境恶劣量表所反映的心境恶劣的潜在结构。在一系列心理健康服务机构寻求治疗的成年人（N=206）接受了 Nepean 心境恶劣量表的评估。使用验证性因子分析研究了四个假定的因子结构：单因子模型、层次模型、双因子模型和先前研究中确定的四因子模型。除了在对原始 24 项量表的修订 22 项版本进行调查时，没有任何模型适合数据，除了四因子模型。支持类似于非临床样本中确定的四因子结构，尽管删除了两个项目。尽管如此，Nepean 心境恶劣量表似乎在常规临床环境中评估心境恶劣方面具有实用性。
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